Bilbo Baggins is a central character in J.R.R. Tolkien's The Hobbit and The Lord of the Rings. He is a hobbit of the Shire, known for his love of peace and quiet, as well as his unexpected bravery. Bilbo embarks on an adventurous journey with a group of dwarves and the wizard Gandalf, discovering treasures and facing various challenges along the way. Throughout his adventures, Bilbo finds the One Ring, which grants him the power of invisibility. His character evolves from a timid homebody to a clever and resourceful hero, ultimately playing a crucial role in the fate of Middle-earth.